# csBooks vs ePub Reader

The clearest difference is ads: ePub Reader at none against csBooks's shown. ePub Reader also leads on iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. csBooks sells 2 in-app purchases, starting at $6.99 per month and ePub Reader sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

csBooks ships an update every 10 days, ePub Reader every 2 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | csBooks | ePub Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/epub-reader-ebook-viewer/id6749545560/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 77 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ravi Kumar Sharma](https://appshunter.io/developer/1695922963) | [TEXAS ADVANCE LLC](https://appshunter.io/developer/1850389482) |

## What reviewers say

### csBooks

[App page](https://appshunter.io/ios/app/csbooks-epub-and-pdf-reader/id6477337382)

This app allows users to read and manage ePub and PDF books from their device. It offers features like automatic thumbnail generation, reading progress tracking, customizable text size, and multiple themes for a comfortable reading experience.

**Highlights:** Read ePub and PDF files, Manage book library, Auto book thumbnail generation, Reading progress tracking, Customizable text size and font, 8 stylish reading themes, Cloud storage and desktop sync

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Pro (Monthly) | $6.99 | per month |
| Unlimited Pro (Yearly) | $22.99 | per year |


### ePub Reader

[App page](https://appshunter.io/ios/app/epub-reader-ebook-viewer/id6749545560)

Read eBooks and documents in various formats like EPUB, PDF, and DOC. Import files easily, customize your reading experience with themes and fonts, and manage bookmarks and notes. Unlock more features with a PRO subscription.

**Highlights:** Supports EPUB, PDF, TXT, DOC, DOCX, ODT, Import via Browser, AirDrop, iCloud, Finder, Chapter browsing and bookmarking, Font customization and themes, Brightness control, Note-taking functionality

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is csBooks free?

csBooks is free to download, with in-app purchases available.

### Is ePub Reader free?

ePub Reader is free to download, with in-app purchases available.

### Do csBooks or ePub Reader have ads?

csBooks shows ads; ePub Reader does not.

### Which is updated more often, csBooks or ePub Reader?

csBooks ships an update every 10 days, and ePub Reader every 2 weeks. Most recently, csBooks was updated on November 4, 2026 and ePub Reader on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*